ret = -EINVAL;
                        goto exit;
                }
+               switch (keyparms->cipher) {
+               case WLAN_CIPHER_SUITE_WEP40:
+               case WLAN_CIPHER_SUITE_WEP104:
+               case WLAN_CIPHER_SUITE_TKIP:
+               case WLAN_CIPHER_SUITE_CCMP:
+                       break;
+               default:
+                       ret = -EINVAL;
+                       goto exit;
+               }
+
        } else {
                psta = rtw_get_stainfo23a(pstapriv, param->sta_addr);
                if (!psta) {
                }
        }
 
-       if (strcmp(param->u.crypt.alg, "none") == 0 && (psta == NULL)) {
-               /* todo:clear default encryption keys */
-
-               DBG_8723A("clear default encryption keys, keyid =%d\n",
-                         param->u.crypt.idx);
-
-               goto exit;
-       }
-
        key_len = keyparms->key_len;
 
        if (!psta && (keyparms->cipher == WLAN_CIPHER_SUITE_WEP40 ||